/*
* INSANE - Interactive Structural Analysis Environment
*
* Copyright (C) 2003-2005
* Universidade Federal de Minas Gerais
* Escola de Engenharia
* Departamento de Engenharia de Estruturas
* 
* Author's email :    insane@dees.ufmg.br
* Author's website :  http://www.dees.ufmg.br/insane
* 
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
package br.ufmg.dees.insane.ui.rich.prep.view.command;

import java.awt.geom.Point2D;

import javax.swing.JInternalFrame;

import br.ufmg.dees.insane.commons.command.Command;
import br.ufmg.dees.insane.commons.view.DrawingArea;
import br.ufmg.dees.insane.model.geo.halfEdgeDataStructure.Vertex;
import br.ufmg.dees.insane.model.prep.GeoPrepModel;
import br.ufmg.dees.insane.model.prep.HalfEdgePrepModel;
import br.ufmg.dees.insane.ui.rich.prep.controller.PrepControllerHE;
import br.ufmg.dees.insane.ui.rich.prep.view.InterfacePrep;
import br.ufmg.dees.insane.ui.rich.prep.view.TextAreaPanel;

/**
 * A command to add points using the mouse to enter its coords.
 * @author Fonseca, Flavio & Pitangueira, Roque
 * @since January 2004
 */
public class AddPointMouseCommand implements Command, Cloneable {
    
    private InterfacePrep parent;
    private PrepControllerHE controller;
    private DrawingArea da;
    private HalfEdgePrepModel modelHE;
    private TextAreaPanel DesktopTextArea;
    private Vertex newVertex;
	
//*****************************************************************************
	
    /** Constructor method. */
    public AddPointMouseCommand(JInternalFrame parent) {
        this.parent = (InterfacePrep)parent;
        this.controller = (PrepControllerHE)this.parent.getView().getController();
        this.da = this.parent.getView().getDrawingArea();
        this.modelHE = ((GeoPrepModel)this.parent.getModel()).getDataStructure();
        this.DesktopTextArea = this.parent.getDesktopFrame().getDesktopTextArea();
    }
    
//*****************************************************************************
  
	/** The execute method.<br>
	* It adds points using the mouse to enter its coords.
	*/
    public void execute() {
    	Point2D p2d = da.getWorldPoint();
    	String coords = "( " + p2d.getX() + " , " + p2d.getY() + " , 0.0 )";
    	
        if (!controller.contains(p2d))
        {
            OpEulerMVFS op = new OpEulerMVFS(this.modelHE, p2d);
            op.execute();
            newVertex = op.getNewVertex();
    		controller.add(newVertex);
    		//controller.add(op.getNewFace());
    		controller.compose();
    		controller.getModel().update();
            da.repaint();
            parent.getDesktopFrame().addToUndo((Command)this.clone());
            DesktopTextArea.addText("Point added:  " + coords +
            		"   [ left button = Add Point  /  rigth button = Cancel ].");
        }
        else
        	DesktopTextArea.addText("A point already exists in this position.");  	
    }
    
//*****************************************************************************
	
	/** The undo method. */
    public void undo()
    {
    	controller.remove(newVertex);
    }
    
//*****************************************************************************
	
	/** The redo method. */
    public void redo()
    {
    	controller.add(newVertex);
    }
    
//*****************************************************************************
	
	/** The clone method. */
   public Object clone()
   {
       try 
       {
           AddPointMouseCommand cmd = (AddPointMouseCommand)super.clone();
           //cmd.newVertex = (Vertex)newVertex.clone();
           return cmd;
       }
       catch (CloneNotSupportedException e) {
           throw new Error("Clonning ERROR - This should never happen!");
       }
   }

//*****************************************************************************

}

